CVE-2026-4174 (GCVE-0-2026-4174)
Vulnerability from cvelistv5 – Published: 2026-03-15 10:32 – Updated: 2026-03-15 10:32 Disputed X_Open Source
VLAI?
Title
Radare2 Mach-O File mach0.c walk_exports_trie resource consumption
Summary
A vulnerability has been found in Radare2 5.9.9. This issue affects the function walk_exports_trie of the file libr/bin/format/mach0/mach0.c of the component Mach-O File Parser. Such manipulation leads to resource consumption. The attack can only be performed from a local environment. The exploit has been disclosed to the public and may be used. The existence of this vulnerability is still disputed at present. Upgrading to version 6.1.2 is capable of addressing this issue. The name of the patch is 4371ae84c99c46b48cb21badbbef06b30757aba0. You should upgrade the affected component. The code maintainer states that, "[he] wont consider this bug a DoS".
Severity ?
Assigner
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Credits
breakingbad (VulDB User)
{
"containers": {
"cna": {
"affected": [
{
"modules": [
"Mach-O File Parser"
],
"product": "Radare2",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "5.9.9"
},
{
"status": "unaffected",
"version": "6.1.2"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "breakingbad (VulDB User)"
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability has been found in Radare2 5.9.9. This issue affects the function walk_exports_trie of the file libr/bin/format/mach0/mach0.c of the component Mach-O File Parser. Such manipulation leads to resource consumption. The attack can only be performed from a local environment. The exploit has been disclosed to the public and may be used. The existence of this vulnerability is still disputed at present. Upgrading to version 6.1.2 is capable of addressing this issue. The name of the patch is 4371ae84c99c46b48cb21badbbef06b30757aba0. You should upgrade the affected component. The code maintainer states that, \"[he] wont consider this bug a DoS\"."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 4.8,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 3.3,
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 3.3,
"baseSeverity": "LOW",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 1.7,
"vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-400",
"description": "Resource Consumption",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-404",
"description": "Denial of Service",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-03-15T10:32:10.553Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-351081 | Radare2 Mach-O File mach0.c walk_exports_trie resource consumption",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/?id.351081"
},
{
"name": "VDB-351081 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/?ctiid.351081"
},
{
"name": "Submit #769799 | radareorg Radare2 5.9.9 Denial of Service",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/?submit.769799"
},
{
"tags": [
"issue-tracking"
],
"url": "https://github.com/radareorg/radare2/issues/25482"
},
{
"tags": [
"exploit"
],
"url": "https://github.com/user-attachments/files/25620145/gen_macho_poc.py"
},
{
"tags": [
"patch"
],
"url": "https://github.com/ToddAWalter/radare2/commit/4371ae84c99c46b48cb21badbbef06b30757aba0"
},
{
"tags": [
"patch"
],
"url": "https://github.com/radareorg/radare2/milestone/94"
}
],
"tags": [
"disputed",
"x_open-source"
],
"timeline": [
{
"lang": "en",
"time": "2026-03-14T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-03-14T01:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-03-14T16:13:59.000Z",
"value": "VulDB entry last update"
}
],
"title": "Radare2 Mach-O File mach0.c walk_exports_trie resource consumption"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-4174",
"datePublished": "2026-03-15T10:32:10.553Z",
"dateReserved": "2026-03-14T15:08:42.451Z",
"dateUpdated": "2026-03-15T10:32:10.553Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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